KUKA Error Message 21 Second motorcable not connected

KUKA Robot Error Code 21 Second motorcable not connected
Cause – Second motor cable is not connected or is incorrectly connected; the additional cable contains two wires which are connected to the robot; the return signal is connected to the KPS X114, pin 7
Monitor – Cyclic.
Effect – The robot cannot be traversed
Remedy – Check second motor cable and return signal at KPS X114, pin 7


KUKA Error Message 21 Second motorcable not connected